Answer:
??
Explanation:
?? is invalid syntax
When declaring or initializing variables names, and when writing methods, or arguments ?? is not used in Java .
() [] {} all these are used with variables , methods or arguments.
6 is false
7 is false
8 is true
Answer:PING
Explanation:The ping command is a command that can be used on the command line interface of your computer to verify that a computer can communicate over the network with another computer. it works by inputing ping command with host name address( IP address)and proceeding with enter button to get output.
1 zebbibyte is 1.181e+21 bytes
I hope this helps you.